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All Journal Techno: Jurnal Penelitian Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Jurnal Pengelolaan Laboratorium Pendidikan Jurnal TEMAPELA Integrated Lab Journal Edulab : Majalah Ilmiah Laboratorium Pendidikan Indonesian Journal of Laboratory JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Asmoro, Cahyo Puji
Universitas Pendidikan Indonesia
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics

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 1 
Analysis of Do-it-Yourself (DIY) Electrode for Soil Resistivity Measurement Practical of Geology and Geophysics Subject at Earth and Outerspace Laboratory Cahyo Puji Asmoro; Hana Susanti
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 3 No 1 (2020): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/temapela.3.1.10-18.2020

Abstract

This study describes the process of designing, manufacturing and the performance of Do It Yourself (DIY) electrodes for Soil Resitivity Measurement (SRM) practicum in the Geophysical Geology course. The aim is to produce electrodes that can be used with the Geo Tester tool from the Fluke 1623. The method used was the Research and Development method. the required electrode had been analyzed prior to the idea of making make your own electrode was created. The electrodes were designed in such a way as to consider the level of accuracy, convenience, safety and economics. The results showed that the DIY electrode was made well, the limited trial of data collection using the Schlumberger and Wenner configuration methods resulted in data error values ​​of 2.43% and 4.1%, respectively. The results were much smaller than the accepted minimum error threshold, namely 20%. The validation results from DIY electrode users (Data Collection Team) and Earth Physicist lecturers gave an average rating of 3.8 out of a scale 4. Thus, DIY eceltrodes can be used in practical for Geophysical Geology lectures in the Earth and Space Laboratory
Service optimalization for laboratory of metal working engineering by utilizing information and communication technology Hendri Sulistyo; Mutaufiq Mutaufiq; Cahyo Puji Asmoro; Ricky Cahyasari Putra
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

This study aims to optimize services in the laboratory by utilizing information and communication technology for all practicum requiring tools. The goal is to optimize services by developing lending and returning services using information and communication technology software. The method used is research and development by conducting experimental research and distributing questionnaires to students, technicians and educational laboratory administrators (PLP) of the use of information and communication technology. Optimization of laboratory services begins with the use of information and communication technology with the use of management information system software, then testing and applying conventional services compared to information and communication technology software in metalworking engineering laboratories. Furthermore, the service performance that has been applied is recorded and calculated to determine the optimization of changes in conventional services to information and communication technology. The questionnaire was distributed to get an assessment from users, namely students and PLP as materials for developing information and communication technology that had been used. The results of this research are 83.8% of the time efficiency of information tool services from conventional services to information and communication technology for the search for 5 tools. Equipment borrowing efficiency is 45% and tool return efficiency is 48.5%. Thus, the use of information and communication technology is optimal for use in practicum laboratories.
Pengaruh Jenis Pelarut Pada Ekstraksi Asam Lemak Dari Mikroalga Surani; Cahyo Puji Asmoro
Integrated Lab Journal Vol. 10 No. 01 (2022)
Publisher : UIN Sunan Kalijaga Yogyakarta

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Abstract

Microalgae are lipid-producing microorganisms that have the potential to be developed as an alternative raw material for biodiesel production. To become biodiesel raw material, several stages of treatment must be carried out. One of the treatments that must be done is to extract the fatty acids contained in the microalgae. In this study, we wanted to find out which type of solvent was the best for extracting fatty acids from microalgae nanochloropsis. The extraction method used was sonication with variations in the length of time 30,60 and 90 minutes, then continued with maceration for 24 hours. The type of solvent used is hexane, methanol and chloroform. The selection of this type of solvent is based on the difference in the polarity of the solvent.
SiDal Development (Laboratory Big Data System) in Basic Physics Laboratory Hana Susanti; Cahyo Puji Asmoro; Hendri Sulistyo
TECHNO: JURNAL PENELITIAN Vol 12, No 2 (2023): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v12i2.5797

Abstract

Inventory activities for tools and materials, borrowing tools, free laboratory processes and much more, are part of the Education laboratory services, in its function as a support for the Tri Dharma of Higher Education. These activities when carried out with conventional systems, require a long time with less-than-optimal results. To improve laboratory management services, a device data collection system was developed which is contained in a web-based application, called SiDal (Laboratory Big Data System). SiDal is a subsystem of the laboratory management system at the Basic Physics Laboratory of FPMIPA UPI. The aim of developing SiDal is for laboratory services to be more effective and efficient with optimal results. Users can access tool data, tool catalog, tool status and where to store the tool. To see the success of the system, research was carried out using the Research and Development method. Trials of the application of this system were carried out at the Basic Physics Laboratory of FPMIPA UPI by conducting surveys through questionnaires and interviews. From the results of the questionnaire distributed, 68 student respondents from various generations had accessed SiDal. 98% of respondents agreed that the implementation of SiDal in the Basic Physics Laboratory provided an increase in laboratory management services. The results obtained will serve as an evaluation and further development of the laboratory management system.
DIY photometer in determining the beginning of dawn time in Cimahi City Cahyo Puji Asmoro; Hana Susanti; Judhistira Aria Utama; Dhani Herdiwijaya
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 10 No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v10i1.22873

Abstract

The use of SQM as a calibrated portable photometer is currently a hot topic in astronomical research in terms of measuring the brightness of the night sky; DIY Sky Quality Meter (SQM) with the name Photometer D.I.Y – CJ'01 has been successfully made and tested on a limited basis, the output data obtained by the photometer This is the magnitude value per square arc second (mag/sq arc second ~ mpsas). This research aims to determine the performance of the D.I.Y - CJ'01 Photometer in measuring the night sky's brightness to determine the start of dawn. The research method used was an experiment with data collection from the D.I.Y Photometer – CJ'01 and SQM Unihedron in Cimahi City during the New Moon and Full Moon. The results of data processing using the solver method show that the D.I.Y - CJ'01 Photometer has almost the same performance as the SQM Unihedron based on the inflection point value that determines the start of dawn and also indicates the existence of pseudo-night in the city of Cimahi which is by typical urban areas dominated by light pollution and air pollution
Implementation of Laboratory Equipment Loan System in SiDal (BigData Laboratory System): Penerapan Sistem Peminjaman Alat Laboratorium pada SiDal (Sistem BigData Laboratorium) Cahyo Puji Asmoro; Hana Susanti; Iin Maemunah
Edulab : Majalah Ilmiah Laboratorium Pendidikan Vol. 8 No. 2 (2023)
Publisher : Laboratorium Pendidikan Fakultas Ilmu Tarbiyah dan Keguruan Colaboration with Persatuan Pranata Laboratorium Pendidikan Indonesia Tingkat Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/edulab.2023.82.07

Abstract

Borrowing and returning equipment for both practicum and research is one of the routine laboratory management activities. Laboratories with a high intensity of borrowing equipment but limited human resources should use an online information system to manage the flow of borrowing so that laboratory activities can run optimally. This research was made based on these problems encountered in laboratory management at the Basic Physics Laboratory (LFD) of Universitas Pendidikan Indonesia (UPI). Previously, research was conducted on the development of a laboratory information system named SiDal (Laboratory BigData System). In SiDal, users can access tool data, tool catalog, tool status and tool storage. From the catalog of tools stored in SiDal as a data base, a system for borrowing and returning laboratory equipment was developed and then the application of this system was tested at LFD FPMIPA UPI. Through research and development methods, surveys were conducted through questionnaires and written interviews. From the results of the questionnaire distributed, 52 student respondents from various batches who had accessed SiDal showed that around 90% said that the loan system developed was more effective & practical, which was confirmed from the results of written interviews. Abstrak Peminjaman dan pengembalian alat baik untuk praktikum maupun penelitian merupakan salah satu dari kegiatan pengelolaan laboratorium yang rutin dilakukan. Laboratorium dengan intensitas peminjaman alat yang tinggi namun sumber daya manusia yang terbatas sebaiknya sudah menggunakan sistem informasi online untuk melayani alur peminjaman, agar kegiatan laboratorium dapat berjalan optimal. Penelitian ini dibuat berdasarkan permasalahan tersebut yang ditemui dalam pengelolaan laboratorium di Laboratorium Fisika Dasar (LFD) Universitas Pendidikan Indonesia (UPI). Sebelumnya sudah dilakukan penelitian tentang pengembangan sistem informasi laboratorium yang diberi nama SiDal (Sistem BigData Laboratorium). Dalam SiDal, pengguna dapat mengakses data alat, katalog alat, status alat berikut tempat penyimpanan alat. Dari katalog alat yang disimpan di SiDal sebagai database, dikembangkan sistem peminjaman dan pengembalian alat laboratorium kemudian di Uji coba kembali penerapan sistem ini di LFD FPMIPA UPI. Melalui metode penelitian dan pengembangan, dilakukan survey melalui angket dan wawancara tertulis. Dari hasil angket yang disebar didapat 52 responden mahasiswa dari berbagai angkatan yang pernah mengakses SiDal menunjukan sekitar 90 % menyampaikan bahwa sistem peminjaman yang dikembangkan lebih efektif & praktis yang dipertegas dari hasil wawancara tertulis.
Validasi Metode Penentuan Residu Pestisida Deltametrin pada Daun Teh Surani, Surani; Asmoro, Cahyo Puji
Jurnal Pengelolaan Laboratorium Pendidikan Vol. 7 No. 2, Juli 2025
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jplp.7.2.100-111

Abstract

         The Instrument Chemistry Laboratory is a testing laboratory for lecturers, students, and the public who will apply for ISO 17025 accreditation. In accordance with ISO 17025 requirements, the tests carried out must use a validated analytical method. For this reason, this research aims to validate the analytical methods that will be used for measurements. In this study, a validation method was employed to determine deltamethrin pesticide residues in tea leaves (Camellia sinensis) using GC-FID. The validation parameters that were evaluated were precision, accuracy, linearity, LOD, and LOQ tests. The resulting value of the linearity test was r2 = 0.9988, precision test percent RSD = 3.08%, and accuracy test percent recovery = 98.84%. Based on the results of the data analysis, all the test parameters met the acceptance standard requirements. Therefore, the method validation carried out was valid. As for the tea leaf sample, the resulting concentration was 30.98 ppm with a %RSD value of 3.97%.
Uji Coba Penggunaan Teepol Sebagai Bahan Alternatif pada Eksperimen Viskositas di Laboratorium Fisika Dasar Asmoro, Cahyo Puji; Susanti, Hana
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 1 (2025): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i1.3961

Abstract

Viscosity experiment is one of the materials given in the Basic Physics experiment course at FPMIPA UPI which aims to measure the viscosity level of a liquid using the Stokes law method or the ball viscosimetry method. Previously, oil was often used as a test material, but its thick color made observation of the ball in the liquid difficult, especially when using software such as trackers that require visual clarity. The purpose of this study was to examine the alternative of using teepol as a test material. The research method applied is the experimental method of replacing oil with teepol. From the results of experimental data collection using Stokes' law, with 4 balls of different diameters, the viscosity value of teepol ranges from 3.36 to 4.55 kg/ms. The consistent, reliable and valid measurement results show that teepol is reliable for viscosity experiments.  In conclusion, the use of teepol as an alternative material in viscosity experiments offers an innovative solution to the visual challenges faced when using oil.
Teknik Pemecahan Dinding Sel Metode Sonikasi Pada Ekstraksi Asam Lemak Dari Mikroalga Nannochloropsis Surani, Surani; Asmoro, Cahyo Puji
Indonesian Journal of Laboratory Vol 7, No 1 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijl.v7i1.69400

Abstract

Mikroalga merupakan penghasil lipid yang berpotensi untuk dikembangkan sebagai salah satu alternatif bahan baku pembuatan biodiesel. Mikroalga yang ada diperairan negara kita beragam jenisnya dan setiap jenis mikroalgaitu mempunyai karakteristik dinding sel yang berbeda sehingga perlu dilakukan penelitianyang berkelanjutan untuk mendapatkanekstrak lipid maksimal. Penelitian ini untuk mengetahui effektifitas teknik pemecahan dinding sel dengan metode sonikasi pada ekstraksi asam lemak dari mikroalga nannochloropsis.
Co-Authors Dhani Herdiwijaya Hana Susanti Hana Susanti Hana Susanti Hendri Sulistyo Hendri Sulistyo Iin Maemunah Judhistira Aria Utama Mutaufiq Mutaufiq Nanang Dwi Ardi Ricky Cahyasari Putra RR. Ella Evrita Hestiandari Surani Surani Susanti, Hana